Mercury Grand Marquis Questions Maintenance & Repair

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Flasher Relay Location 2002 Gran Marquis

four way flasher and turn signals stopped working, fuse is fine


2003 Mgm A/c Blows Out Defrosters Only , Have No Heat, & The Fan Only Blows...

Have only A/C blowing out the Defrosters, the fan only blows on high setting & I have no heat. I tested the possibility of the air lines being an issue and when I did I found that the Dan would blo...


2001 Grand Marquis, Power Supply To The Hvac Blower Motor

Did an engine swap on 2001 Grand Marquis, and can't find the power supply to the HVAC blower motor. Does it feed from the variable speed control?


Fans Wont Come On

I'm getting codes po156 and p1299. My temp gauge is down past the C and only moves to norm position when it runs hot. How can i fix?


Hello I Have 2001 Grand Marquis Mercury

Hello I have a 2001 grand marquis mercury and my check engine light is on so I took it to AutoZone and a popped up which is P0420 indicates that the bank 1 Catalyst system efficiency was below thr...

9 views with 1 answer (last answer 3 days ago)

Where Is The Output Shaft Speed Sensor Located For Replacement

2 views with 1 answer (last answer 6 days ago)

2010 Mercury Grand Marquis Electrical Problem

My Mercury's door locks, key fob, and door code are not working. When I shut the door the light stays on and the "door open" light stays on. Last there is a light that says tire monitor fault.

Stephanie Sieffert

Where Is Starter Located On Mercury Grand Marquis

Where is starter located

10 views with 1 answer (last answer about a week ago)

I Have A 1981 Mercury Grand Marquis And It Keeps Loosing Power After 20 Min...

I have a 1981 Merc Grand. The previous owner put a 5.0/302 motor in it. There are a few things that has been converted on the car such as the fuel filter now requires a 1976 filter. The factory reco...

7 views with 2 answers (last answer about a week ago)
Kimberly Omolewa


My wipers will not turn off, please help

3 views with 1 answer (last answer about a week ago)

Grand Marquis 1996 Leaking Coolant Into The Driver And Pass Side?

Is leaking coolant inside driver and pass. side carpet?

5 views with 2 answers (last answer about a week ago)
Nasser Najjar

Where Is The Pcm/ecm On A 1994 Mercury Grand Marques I Need To Remov One An...

I need to replace it

15 views with 2 answers (last answer about a week ago)
Danny Quick

Mercury Grand Marquis 1997 Reclining Seat Diagram

motor for reclining seat works going forward but not backwards

6 views with 1 answer (last answer about a week ago)

Problem With My Mercury

I have a 1997 mercury grand marquis that has ttrouble starting in the cold. All summer it does fine, but as winter hits, iit won't always start. It acts like it will, then the dash lights dim and...

5 views with 3 answers (last answer about a week ago)

A/c Blower Quit Bloing Air

I checked the fuses and all seemed o.k.

14 views with 1 answer (last answer about a week ago)

Key Won't Turn Ignition Switch

Keys won't communicate with the Anti-Theft transceiver. Key won't move Ignition switch. Replaced battery one week ago and everything was fine.

12 views with 1 answer (last answer about a week ago)

Have Power But Won't Turn Over

We don't seem to be getting power to the starter to turn it over

4 views with 2 answers (last answer about a week ago)

I Have A 96 Grand Marquis And The Oil Light Comes On When I Signal Left Or ...

I have a 96 Grand Marquis and the oil light comes on when I signal left or right and also when I turn the AC on

Richard Joseph

2004 Mercury Grand Marqee, The Engine Is Running Extremely Rough. I Have Ch...

Even at low speeds 30 35 it skips really bad. The plugs seem ok. When I hit the gas hard it seems to respond well but at 55 mph it skips quits badly.

12 views with 2 answers (last answer about a week ago)
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